Text Diff — Compare Text Online Free
Compare two texts and find differences online for free. Side-by-side diff with color-coded additions and deletions.
How to Compare Text Online
Paste your original and modified text
Enter the original text on the left and the modified version on the right. You can paste content from any source.
Click Compare
Click the 'Compare' button to analyze both texts and find all differences line by line.
Review the diff
Additions are highlighted in green and deletions in red. A summary shows the total number of additions and deletions.
Why Use PDFFlare Text Diff?
Color-Coded Output
Additions are highlighted in green, deletions in red. Unchanged lines shown normally — differences are instantly visible.
Side-by-Side Input
Paste your original and modified text in two side-by-side panels. Easy to set up and compare any two text versions.
Works with Code
Monospace font and whitespace preservation make this tool ideal for comparing code, configs, and structured data.
100% Private
All comparison logic runs in your browser. No server uploads, no data collection — your content stays on your device.